<?php
/**
 * Created by PhpStorm.
 * User: zhang
 * Date: 2018/2/6
 * Time: 17:33
 */

echo mb_substitute_character().PHP_EOL;
echo mb_internal_encoding().PHP_EOL;
/* 设置十六进制格式 */
mb_substitute_character("long");
echo mb_substitute_character().PHP_EOL;

/* 设置为 Unicode U+3013 (GETA MARK) */
mb_substitute_character(0x3013);
echo mb_substitute_character().PHP_EOL;
